{"schema":"threatline.record/2","record":{"id":"CVE-2026-98470","aliases":[],"summary":"KVM: arm64: Don't WARN on an unknown VM ioctl in protected mode","details":"In the Linux kernel, the following vulnerability has been resolved:\n\nKVM: arm64: Don't WARN on an unknown VM ioctl in protected mode\n\nkvm_pkvm_ioctl_allowed() WARNs when kvm_get_cap_for_kvm_ioctl() doesn't\nfind the ioctl number in vm_ioctl_caps[], and kvm_arch_vm_ioctl() calls\nit for every number the generic code doesn't handle, so\nioctl(vm_fd, 0xdeadbeef) from userspace taints a pKVM host and panics it\nunder panic_on_warn. The lookup is fed userspace input: return false,\nand userspace gets the -EINVAL kvm_arch_vm_ioctl() returns for that\nnumber on a host without pKVM.","categories":["Operating systems"],"product":"Linux","vendor":"Linux","ecosystem":null,"affected_ranges":[{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2026-98470","source_modified_at":"2026-10-19T09:20:08.206Z","fetched_at":"2026-10-23T18:45:31.882637Z","product":"Linux","vendor":"Linux","versions":[{"version":"b12b3b04f6ba072ca5a618a75e546c996be94bd1","lessThan":"cc53eb5c6515e3221314624a22c9da9c80a67f63","status":"affected","versionType":"git"},{"version":"b12b3b04f6ba072ca5a618a75e546c996be94bd1","lessThan":"49d9d295d69d07e850cae35933ba8519e2915f26","status":"affected","versionType":"git"}],"defaultStatus":"unaffected"},{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2026-98470","source_modified_at":"2026-10-19T09:20:08.206Z","fetched_at":"2026-10-23T18:45:31.882637Z","product":"Linux","vendor":"Linux","versions":[{"version":"7.0","status":"affected"},{"version":"0","lessThan":"7.0","status":"unaffected","versionType":"semver"},{"version":"7.2.9","lessThanOrEqual":"7.2.*","status":"unaffected","versionType":"semver"},{"version":"7.3","lessThanOrEqual":"*","status":"unaffected","versionType":"original_commit_for_fix"}],"defaultStatus":"affected"}],"fixed_versions":[{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2026-98470","source_modified_at":"2026-10-19T09:20:08.206Z","fetched_at":"2026-10-23T18:45:31.882637Z","package":{"name":"Linux","ecosystem":null},"version":"49d9d295d69d07e850cae35933ba8519e2915f26","basis":"first unaffected version stated in the CVE record"}],"cvss":null,"severity":null,"kev":{"listed":false},"epss":{"probability":0.00155,"percentile":0.04315,"score_date":"2026-10-23"},"published_at":"2026-10-18T15:15:22.878Z","modified_at":"2026-10-19T09:20:08.206Z","provenance":[{"source":"CVE List","url":"https://www.cve.org/CVERecord?id=CVE-2026-98470","fetched_at":"2026-10-23T18:45:31.882637Z","source_modified_at":"2026-10-19T09:20:08.206Z"},{"source":"EPSS","url":"https://api.first.org/data/v1/epss?cve=CVE-2026-98470","fetched_at":"2026-10-23T18:42:43.628194Z","source_modified_at":"2026-10-23"}],"sources":["CVE List","EPSS"],"references":[{"source":"CVE List","url":"https://git.kernel.org/stable/c/cc53eb5c6515e3221314624a22c9da9c80a67f63"},{"source":"CVE List","url":"https://git.kernel.org/stable/c/49d9d295d69d07e850cae35933ba8519e2915f26"}],"locations":[],"motoko_assessment":{"status":"requires_architecture_review","automatic_remediation":false},"cve_state":"PUBLISHED","classification":{"method":"product-first software-layer rules","rules_version":"2.1","matched_on":"product","confidence":"heuristic","reviewed":false},"change_timestamp":"2026-10-19T09:20:08.206Z","content_hash":"1624e90412f5e4040fb72f1d7e8b4410f9138e73d6fb24db29a5c7aa780b2419"}}